As a family-owned and operated company, Grennan Construction has earned a reputation for honesty and integrity. Just a few of the key reasons we stand apart from other companies:- We treat you like family- Quality Workmanship- Homeowner Education- Fair Business PracticesFor over ten years, Grennan Construction has been treating customers like family. Allow us to take the time to get to know you, what you want and what you need in a home improvement project – then we’ll offer the solution that is best suited for you. From repairing a small leak to installing new roofing, siding and gutters, we’ll help you make the most-informed decision possible.
